Primary Produced Water & Desalination Systems
Engineered by Shanghai Tongjie: Skid-mounted, factory-commissioned wastewater reduction and membrane treatment packages built to international CE, ASME, and ISO 9001 standards.
ODM High-Pressure Membrane Concentration System for High-Salinity Wastewater
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OEM Modular Seawater Desalination Equipment Prefabricated for Rapid Deployment
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CE Certification Pharmaceutical Purified Water & WFI System Suppliers
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China High-Salinity Wastewater Reduction System | Zero Liquid Discharge Solutions
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OEM High-Ratio Water Reuse Process Equipment for Industrial Effluent
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ODM High-Ratio Water Reuse Equipment Direct UF & Reverse Osmosis Solutions
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Wholesale Industrial Demineralized Water Equipment Factory Low Conductivity Units
Explore SystemGlobal Produced Water Landscape: The Transition from Disposal to Circular Asset
Across unconventional shale plays, mature conventional reservoirs, and deepwater production, oil and gas extraction generates over 250 million barrels of produced water daily worldwide. As regulatory, environmental, and geological barriers constrain conventional disposal, industrial OEM factory solutions are redefining wastewater management.
3:1 – 10:1
Water-to-Oil Production Ratio
>250M
Barrels Generated Daily Globally
≤5 mg/L
Effluent Oil Content (Tongjie DTRO)
15 Days
Average Skid On-Site Commissioning
The Crisis of Subsurface Disposal (SWD)
For decades, deep-well injection through Class II Salt Water Disposal (SWD) wells served as the oilfield standard. Today, pore pressure escalation has triggered induced seismic activity in basins such as the Permian (Delaware and Midland basins), resulting in seismic response areas (SRAs) that legally restrict disposal volumes. Operators are facing lifting cost spikes and catastrophic disposal bottlenecks.
- Subsurface formation over-pressurization causing seismic hazards
- Regulatory injection volume curtailments up to 50% across Tier-1 plays
- Rising long-distance trucking and pipeline transport OPEX ($1.50–$3.50/bbl)
ESG Accountability & Water Scarcity
Over 68% of global onshore hydrocarbon production intersects regions of medium-to-extreme freshwater stress. Major exploration and production operators are governed by strict Scope 1, 2, and 3 water stewardship mandates. Beneficial reuse of fracturing flowback fluid and hypersaline formation water has evolved from an optional environmental badge into an existential operating requirement.
- Mandated reductions in surface and ground freshwater withdrawal
- Stricter total petroleum hydrocarbons (TPH) reinjection thresholds
- Mandatory zero liquid discharge compliance in closed hydrological basins
Critical Mineral Recovery Economics
Produced brine is no longer categorized merely as a toxic industrial effluent; it is recognized as a complex subterranean mineral resource. Modern high-pressure membrane concentration and thermal evaporative systems unlock viable direct lithium extraction (DLE), along with the commercial valorization of high-purity magnesium, bromine, and commercial-grade sodium chloride.
- Brine concentration up to 250,000 mg/L TDS for selective DLE feed
- By-product crystallization offsetting water treatment plant CAPEX
- Zero chemical discharge integrating circular salt recovery matrices
Localized Application Scenarios: Tailored Engineering across Global Terrains
Because reservoir lithology, organic composition, and ambient conditions differ dramatically between basins, an effective OEM produced water disposal factory must employ modular, field-specific process trains.
North America: Unconventional Shale & Fracturing Reuse (Permian & Bakken)
In high-intensity multi-stage hydraulic fracturing basins, operators require high-volume treatment capacities (5,000–50,000 bpd per facility) to continuously recycle flowback fluid for next-stage completions. The core challenge involves handling sharp swings in suspended solids (up to 2,000 mg/L), volatile organics, scale-forming divalent cations (Ba, Sr, Ca), and dynamic iron loads.
Factory Architecture Solution: Dual-stage Induced Gas Flotation (IGF), automated ceramic microfiltration for robust shearing resilience, followed by mobile skid-mounted high-recovery reverse osmosis. Produces low-turbidity, friction-reducer-compatible recycled brine, reducing freshwater hauling expenditures by up to 80%.
Middle East & North Africa (GCC): Arid Desert Reinjection & EOR Streams
Middle Eastern fields (Saudi Arabia, UAE, Oman, Iraq) face extreme ambient heat (approaching +55°C) and stringent reservoir permeability constraints. Produced fluids from Enhanced Oil Recovery (EOR), including polymer and surfactant flooding, exhibit tight oil-water emulsions and hypersalinity that rapidly blind standard filtration media.
Factory Architecture Solution: Containerized Disc Tube Reverse Osmosis (DTRO) equipped with open-channel feed spacers and specialized HVAC cooling loops. Pre-treatment features coagulation, chemical softening, and automated mechanical media polishers to guarantee reinjection water with oil ≤ 5 mg/L and suspended solids ≤ 1 mg/L, preventing reservoir plugging and skin damage.
Central Asia & Kazakhstan: Severe Continental Climates & Heavy Crude Separation
Operating across the Caspian basin, Karachaganak, and Mangystau regions entails surviving winter temperature drops down to -40°C alongside high hydrogen sulfide (H2S) concentrations, high naphthenic acids, and complex sulfate scaling hazards.
Factory Architecture Solution: Thermal-insulated, explosion-proof containerized plants built with high-grade Duplex 2205 / Super Duplex 2507 metallurgy and heavy-duty titanium heat exchangers. Fully automated, unmanned SCADA control allows remote monitoring from regional head offices, eliminating freeze-up and corrosion vulnerabilities.
East Asia & China: Tight Gas & Deep Shale Environmental Zero-Discharge (ZLD)
China's Sichuan Basin and Changqing tight sandstone plays operate under strict Ministry of Ecology and Environment surface discharge and aquifer protection mandates. Discharging hypersaline flowback into natural waterways is prohibited, while available reinjection zones are geologically constrained.
Factory Architecture Solution: Integrated Multi-Barrier Zero Liquid Discharge (ZLD) plants integrating softening-clarification, tubular ultrafiltration, high-pressure DTRO pre-concentration, and Mechanical Vapor Recompression (MVR) thermal evaporative crystallization. The plant achieves >98% clean water recovery for boiler make-up or agricultural reuse, yielding dry, crystalline industrial salts.
Technical Roadmap: 5-Stage Multi-Barrier Process Architecture
A proven engineering blueprint implemented across Shanghai Tongjie’s OEM factory systems to transform volatile produced fluids into clean, reusable permeate and stable solids.
01
DEOIL
DEOIL
Stage 1: Bulk Free & Emulsified Hydrocarbon Separation
Raw flowback enters hydrocyclones followed by compact Induced Gas Flotation (IGF) or Dissolved Air Flotation (DAF) units paired with micro-bubble ceramic diffusers. Hydrocarbon emulsion destabilization is enhanced via precision coagulant dosing, reducing free and dispersed oil levels from >2,000 mg/L down to <20 mg/L, protecting downstream membrane elements from hydrocarbon filming.
Target: Free Oil < 20 ppm | TSS < 50 ppm02
SOFTEN
SOFTEN
Stage 2: Advanced Chemical Softening & Tubular Ceramic Ultrafiltration (TUF)
Scaling constituents like barium sulfate (BaSO4), strontium sulfate (SrSO4), calcium carbonate (CaCO3), and reactive silica (SiO2) must be precipitated before membrane concentration. Dual-stage lime/soda ash or caustic reactors are coupled with tubular ceramic membranes (silicon carbide or alumina) that handle aggressive solids loadings (up to 5% w/w) without compaction, producing a crystal-clear filtrate with Silt Density Index (SDI15) < 1.5.
Target: Total Hardness < 20 mg/L as CaCO3 | Turbidity < 0.2 NTU03
CONC
CONC
Stage 3: Disc Tube Reverse Osmosis (DTRO) & High-Pressure Membrane Concentration
Unlike standard spiral-wound membranes prone to colloidal blinding and channeling, Tongjie's DTRO modules utilize open-channel feed flow across high-strength hydraulic discs. Operating at pressures up to 90, 120, or 160 bar, the system concentrates brine up to 120,000–160,000 mg/L TDS while recovering 70–85% of clean permeate. Short flow paths and turbulent hydrodynamic eddies suppress boundary layer concentration polarization.
Target: Operating Pressure to 160 bar | Permeate Recovery 75–85%04
THERMAL
THERMAL
Stage 4: Mechanical Vapor Recompression (MVR) & Forced-Circulation Crystallization
For zero liquid discharge (ZLD) mandates, DTRO reject stream is channeled into energy-optimized MVR falling-film evaporators. Driven by high-efficiency centrifugal vapor compressors, sensible heat is recycled within the loop, reducing specific energy consumption to 25–45 kWh/m³. The saturated slurry is processed in a forced-circulation crystallizer, centrifuge, and fluid-bed dryer, yielding dry industrial salts suitable for road de-icing or chlor-alkali feedstock.
Target: True Zero Liquid Discharge (ZLD) | High-Purity Distillate Recovery05
AI-IOT
AI-IOT
Stage 5: Intelligent Closed-Loop SCADA & Predictive Anti-Fouling Control
Integrated field instrumentation monitors real-time changes in feed salinity, differential pressures (ΔP), conductivity, and ORP. An onboard AI algorithm calculates the instantaneous scaling saturation index (LSI/S&DSI) and modulates antiscalant dosing, feed pH, and automated backflushing/CIP clean-in-place sequences dynamically, extending membrane lifespan from months to 3+ years.
Target: 100% Unmanned Automated Duty | Dynamic Edge AnalyticsTechnology Comparison: Produced Water Treatment Methodologies
Evaluating capital expenditures, operating overheads, spatial footings, and recovery efficiencies across contemporary oilfield water treatment options.
| Treatment Methodology | Typical CAPEX | OPEX / bbl ($USD) | Max Feed TDS (mg/L) | Product Water Quality | Environmental Risk Profile |
|---|---|---|---|---|---|
| Direct SWD Deep-Well Injection | Low–Moderate | $1.50 – $4.00 | Unlimited | Unusable (Subsurface waste) | High (Seismic hazard, casing failure, aquifer contamination) |
| Basic Chemical Oxidation + Clarification | Low | $0.40 – $0.80 | Limited change | Recycled brine only (High salinity intact) | Moderate (Secondary sludge disposal, limited reuse flexibility) |
| Standard Spiral-Wound RO Plants | Moderate | $0.60 – $1.10 | < 45,000 | Freshwater permeate (< 500 mg/L TDS) | High fouling frequency, severe pretreatment dependency |
| Tongjie Open-Channel DTRO Systems | Moderate–Engineered | $0.35 – $0.75 | Up to 140,000 | High-purity permeate (< 300 mg/L TDS) | Extremely Low (Low fouling footprint, high thermodynamic efficiency) |
| Full Thermal Evaporation / ZLD Crystallizer | High | $2.00 – $5.00 | Up to 300,000 | Distillate (< 20 mg/L TDS) + Dry Salt | Zero effluent (Zero liquid discharge, solid salts recovery) |
Shanghai Tongjie OEM/ODM Manufacturing Infrastructure
Shanghai Tongjie Environmental Protection Technology Co., Ltd. (established in 2010) combines advanced R&D, process simulation, ASME pressure vessel manufacturing, electrical automation, and containerized skid integration under a single roof.
38+ National Patents
Extensive intellectual property portfolio covering DTRO hydraulic spacer profiles, anti-scaling high-pressure vessel housings, and specialized wastewater crystallizer configurations.
Class II Engineering Contractor
Certified Class II environmental engineering and mechanical & electrical installation qualifications, ensuring full turnkey reliability from engineering drawing to field commissioning.
Certified Global Compliance
Full adherence to ISO 9001 (Quality Management), ISO 14001 (Environmental Systems), ISO 45001 (Occupational Safety), and European CE machinery directives for export plants.
Factory Wet Testing (FAT)
100% of skid-mounted packages undergo pressure holding tests, hydro-testing, PLC simulation, and pump loop functional validations at our Shanghai manufacturing facility prior to export dispatch.
Produced Water Treatment & Disposal FAQ
Comprehensive engineering clarifications for drilling operators, environmental project directors, procurement engineers, and water disposal facility designers.
How does Tongjie's Disc Tube Reverse Osmosis (DTRO) prevent membrane fouling in produced water?
Traditional spiral-wound reverse osmosis elements utilize narrow feed mesh spacers (28 to 34 mil) that act as physical sieves, rapidly trapping residual droplets of oil, biological polymers, and precipitated mineral salts. Tongjie’s proprietary DTRO technology incorporates an open-channel hydrodynamic architecture where feed water traverses individual circular membrane cushions separated by embossed hydraulic deflection discs. This generates localized, high-velocity vortex shearing that continually scours the membrane boundary layer, minimizing concentration polarization and allowing our units to reliably treat water with Silt Density Index (SDI) values up to 15–20 and residual oil loads up to 10–20 mg/L without irreversible clogging.
What specific feed water data is mandatory to deliver a fully engineered proposal?
To generate an optimized process simulation and mass balance calculation, our engineering team requires:
- Physical Parameters: Temperature range, total suspended solids (TSS), turbidity, and Silt Density Index (SDI).
- Inorganic Chemistry: Comprehensive cation/anion analysis including Na, K, Ca, Mg, Ba, Sr, Fe, Mn, Cl, SO4, HCO3, and reactive silica (SiO2).
- Organic & Biological Load: Free & emulsified oil content, Total Organic Carbon (TOC), Chemical Oxygen Demand (COD), and volatile hydrocarbons (BTEX).
- Duty Specifications: Required design throughput capacity (m³/day or barrels/day), daily operating hours, target permeate quality (e.g., reinjection spec, fracturing base fluid spec, or boiler feed quality), available utilities (voltage, frequency), and site layout restrictions (indoor skid vs. containerized weatherproof enclosure).
Can containerized OEM systems operate under extreme climate conditions?
Yes. Tongjie builds industrial water treatment skids enclosed within standardized 20-foot and 40-foot High Cube maritime containers engineered to CSC standards. For desert operating zones (e.g., Middle East, North Africa, Texas), containers are equipped with polyurethane acoustic insulation, heavy-duty industrial HVAC systems with sand trap air intakes, and thermal-reflective exterior coatings. For sub-arctic environments (e.g., Northern China, Kazakhstan, Canadian oilfields), skids integrate electrical trace heating on all piping manifolds, internal radiant heaters, and automated emergency drain-down loops to eliminate freeze-ups during unplanned power outages.
How does on-site produced water recycling compare economically against conventional SWD disposal?
In modern shale plays, hauling produced water via tanker trucks to third-party SWD wells costs between $1.50 and $3.50 per barrel, factoring in transportation, disposal fees, and road maintenance tariffs. By deploying an on-site or centralized modular recycling facility based on Tongjie membrane separation, operational expenditures (including electrical consumption, replacement cartridges, antiscalant chemicals, and membrane depreciation) typically average between $0.35 and $0.75 per barrel. For an operator producing 20,000 barrels of water per day, the resultant operational savings frequently amortize the capital cost of the equipment within 9 to 14 months of continuous production.
What certifications and quality control procedures govern Tongjie's factory manufacturing?
Shanghai Tongjie Environmental Protection Technology Co., Ltd. operates in full compliance with ISO 9001 (Quality Management), ISO 14001 (Environmental Protection), and ISO 45001 (Occupational Health & Safety). Our equipment holds full European CE conformity certification. All pressure vessels, high-pressure piping manifolds, and structural skids undergo non-destructive examination (NDE/radiography), hydrostatic pressure holding tests at 1.5x design ratings, weld passivation checks, and comprehensive electrical insulation validations before shipping.
Does Tongjie provide private-label OEM and ODM manufacturing services for international EPC contractors?
Yes. We act as an OEM/ODM manufacturing partner for multi-national engineering procurement construction (EPC) contractors, international water service companies, and regional treatment brands. We offer full private-label manufacturing, customized PLC Human-Machine Interfaces (Siemens, Allen-Bradley, Schneider) with multilingual support, custom client color schemes, tailored mechanical arrangements to match local footprint constraints, and comprehensive documentation packages compliant with end-user project specifications.
High-Salinity, Reuse & Flowback Concentration Equipment
Explore our specialized range of high-efficiency brine concentration systems, fracturing flowback recovery modules, and compact seawater desalting plants manufactured directly in our factory.
ODM High-Efficiency Brine Concentration System for Wastewater Treatment
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Wholesale Compact Seawater Desalination System for Small Freshwater Needs
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CE Certification Fracturing Flowback Fluid Treatment System for Zero-Discharge
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China Seawater Desalting Equipment Factory High Recovery Units
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OEM High-Salinity Wastewater Treatment System - Turnkey ZLD Solutions
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ODM High-Salinity Wastewater Treatment System for ZLD Solutions
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Advanced Fracturing Flowback Water Reuse Treatment Equipment for Oil & Gas
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CE Certification Oilfield Fracturing Flowback Fluid Treatment Skid Solutions
Explore SystemInitiate Your Produced Water Treatment Engineering Review
Submit your comprehensive raw water analysis report, flow rate demands, and target compliance specifications. Shanghai Tongjie’s senior application engineering group will prepare a complete mass balance projection, Process Flow Diagram (PFD), and customized OEM skid specification within 48 business hours.